/Engine/Source/Runtime/InteractiveToolsFramework/Public/InputBehaviorSet.h
Queries and Event Forwarding CallUInputBehavior::WantsCapture()on each valid Behavior and collect up the requests that indicated a Capture was desired.
virtual void CollectWantsCapture ( const [FInputDeviceState](API\Runtime\InteractiveToolsFramework\FInputDeviceState) & InputState, [TArray](API\Runtime\Core\Containers\TArray)< [FInputCaptureRequest](API\Runtime\InteractiveToolsFramework\FInputCaptureRequest) > & ResultOut )